Apple-2-HW/unified_retro_keyboard
1
0
Fork 0
mirror of https://github.com/osiweb/unified_retro_keyboard.git synced 2025-01-05 04:29:33 +00:00
Code Issues Projects Releases Wiki Activity

Merge branch 'master' of github.com:/osiweb/unified_retro_keyboard.wiki

Dave 2022-07-27 00:44:28 -05:00
commit ff689ba25d
1 changed files with 31 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
apple-ii-notes/apple-ii-notes.md

@ -161,7 +161,7 @@ The parallel out connector interfaces with the host computer. If you plan to us
[[images/encoder-output-connector.jpg]]
**Note:** For the computer interface, I recomment using a dual-wipe socket, and ***not** a machine-pin socket. Machine-pin sockets grip the pins more tightly and are more likely to bend pins on the ribbon cable as you remove and re-insert the cable connectors.
**Note:** For the computer interface, I recomment using a dual-wipe socket, and **not** a machine-pin socket. Machine-pin sockets grip the pins more tightly and are more likely to bend pins on the ribbon cable as you remove and re-insert the cable connectors.
</details>
@ -301,13 +301,28 @@ If you want 15 mA, you want an effective resistance of about 200 ohms, so a 470
</details>
<details>
<summary>Use an Lowercase/Uppercase Apple keymap</summary>
<summary>Use a Lowercase/Uppercase Apple keymap</summary>
If you want Upper and Lower case, then you can remove the jumper at position 1
If you want Upper and Lower case, then you can remove the jumper at position 0
leaving the jumper at position 1 in place
to select keymap 2. However, be aware that some keys will behave differently.
For example, the POWER key becomes a CAPS LOCK, and the N-^ and P-@ keys will
behavee as regular upper/lower keys. The Upper lower keymap is a work in
progress, and I accept any suggestions.
behave as regular upper/lower keys. I have not yet added the "@" and "^" keys
back in to the map. The Upper lower keymap is a work in progress,
and I accept any suggestions.
Keymaps for Apple Layout:
| 0 | 1 | 2 | 3 | Map Number | Keymap |
|----|----|----|----|-------------|--------------------------|
| - | + | - | - | 2 | Apple II, Uppler / Lower |
| + | + | - | - | 3 | Apple II, ALL CAPS |
Key:
|+ | Jumper installed|
|--|-----------------|
|- | No Jumper |
</details>
@ -320,9 +335,18 @@ ADM-3A and can produce the full ASCII character set. Simply add in the extra
keys to fully populate the keyboard, and install the extra keycaps (included in
the keycap set.)
Select keymap 0 (no jumper at positions 0-3) for the full Upper/Lowercase keymap.
Keymaps for Classic Layout:
| 0 | 1 | 2 | 3 | Map Number | Keymap |
|----|----|----|----|-------------|--------------------------|
| - | - | - | - | 0 | Classic, Uppler / Lower |
| + | - | - | - | 1 | Classic, ALL CAPS |
Key:
|+ | Jumper installed|
|--|-----------------|
|- | No Jumper |
Select keymap 1 (jumper at position 1) for the uppercase only keymap.
Here is a full classic keyboard: